publication . Article . Other literature type . Preprint . 2017

Nonperturbative analysis of the spectrum of meson resonances in an ultraviolet-complete composite-Higgs model

Nicolas Bizot; Marc Knecht; Michele Frigerio; Jean-Loïc Kneur;
Open Access English
  • Published: 05 Apr 2017
  • Publisher: HAL CCSD
  • Country: France
Abstract
We consider a vector-like gauge theory of fermions that confines at the multi-TeV scale, and that realizes the Higgs particle as a composite Goldstone boson. The weak interactions are embedded in the unbroken subgroup $Sp(4)$ of a spontaneously broken $SU(4)$ flavour group. The meson resonances appear as poles in the two-point correlators of fermion bilinears, and include the Goldstone bosons plus a massive pseudoscalar $\eta'$, as well as scalars, vectors and axial vectors. We compute the mass spectrum of these mesons, as well as their decay constants, in the chiral limit, in the approximation where the hypercolour $Sp(2N)$ dynamics is described by four-fermion...
Subjects
arXiv: High Energy Physics::PhenomenologyHigh Energy Physics::LatticeCondensed Matter::Quantum GasesHigh Energy Physics::Experiment
free text keywords: [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], [ PHYS.HPHE ] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], High Energy Physics - Phenomenology, Particle physics, Pseudoscalar meson, Goldstone boson, Scalar meson, Boson, Meson, Fermion, Physics, Vector meson, Higgs boson
Funded by
ANR| OCEVU
Project
OCEVU
Origines, Constituants et EVolution de l'Univers
  • Funder: French National Research Agency (ANR) (ANR)
  • Project Code: 11-LABX-0060
,
EC| ELUSIVES
Project
ELUSIVES
The Elusives Enterprise: Asymmetries of the Invisible Universe
  • Funder: European Commission (EC)
  • Project Code: 674896
  • Funding stream: H2020 | MSCA-ITN-ETN
,
EC| InvisiblesPlus
Project
InvisiblesPlus
InvisiblesPlus
  • Funder: European Commission (EC)
  • Project Code: 690575
  • Funding stream: H2020 | MSCA-RISE
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1Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Universite de Montpellier, Montpellier, France

2Centre de Physique Theorique (CPT), UMR 7332 CNRS/Aix-Marseille Univ./Univ. du Sud Toulon-Var, Marseille, France

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